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← Document results/DEP Box 65/524 4/30/02 - 5/1/02
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VOC analysis results, sample AE10023, April 30, 2002

Machine-extracted title · confidence 90%

Laboratory report for volatile organic compounds in sample AE10023 dated April 30, 2002.

NYC-WTC_000082619–000082776

Folder label: “524 4/30/02 - 5/1/02

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Scanned page image, NYC-WTC_000082672
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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : . C:\HPCHEM\l\DATA\02may02\10025A.D Vial 4 Acq On : 2 May 2002 10:45 am Operator 201-wb Sample : nyc re-inj for unknowns Inst GC/MS Ins Mise : May 2, 2002 Multiplr 1.00' MS Integration Params: RTEINT.P Quant Time: May 2 11:23 2002 Quant Results File: HP042202.RES Quant Method : C:\HPCHEM\1\METHODS\HP042202.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Apr 23 13:59:39 2002 Response via : Initial Calibration DataAcq Meth : HP042202

Internal Standards ■ R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-DIFLUOROBENZENE 15.15 114 1112725 5.00 ug/L 0.07 24) CHLOROBENZENE-D5 21.81 117 975918 5.00 ug/L 0.07 52) 1,4-DICHLOROBENZENE-D4 27.00 • 152 455966 5.00 ug/L 0.07

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.39 65 502625 4.93 ug/L. 0.07 Spiked Amount 5.000 Recovery = 98.60% 3) 4-BROMOFLUOROBENZ ENE 24.40 174 369433 4.49 ug/L 0.07 Spiked Amount 5.000 Recovery = 89.80% 25) TOLUENE-D8 18.51 98 1302985 5.17 ug/L 0.07 Spiked Amount 5.000 Recoveiry = 103.40%

Target Compounds Qvalue 12) ACETONE 8.29 43 23263 2.46 ug/L 87

(#) = qualifier out of range (m) = manual integration 10025A.D HP042202.M Thu May 02 11:23:36 2002 Page 1

NYC-WTC_000082672

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NYC-WTC_000082672Source: NYC Law Department, mirrored locally

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